Revert "userMenu: Don't update the presence icon immediately"

This reverts commit f1ca96bbf0.
We're moving towards atomic panel upgrade, so we don't need this.

https://bugzilla.gnome.org/show_bug.cgi?id=683526

js/ui/userMenu.js

@@ -574,8 +574,6 @@ const UserMenuButton = new Lang.Class({
 
         Main.sessionMode.connect('updated', Lang.bind(this, this._sessionUpdated));
         this._sessionUpdated();
-
-        this.connect('thawed', Lang.bind(this, this._onThawed));
     },
 
     _sessionUpdated: function() {
@@ -668,9 +666,6 @@ const UserMenuButton = new Lang.Class({
     },
 
     _updatePresenceIcon: function(accountMgr, presence, status, message) {
-        if (this.frozen)
-            return;
-
         if (Main.sessionMode.isLocked)
             this._iconBox.child = this._lockedIcon;
         else if (presence == Tp.ConnectionPresenceType.AVAILABLE)
@@ -803,10 +798,6 @@ const UserMenuButton = new Lang.Class({
         this._presence.status = status;
     },
 
-    _onThawed: function() {
-        this._updatePresenceIcon();
-    },
-
     _onMyAccountActivate: function() {
         Main.overview.hide();
         let app = Shell.AppSystem.get_default().lookup_setting('gnome-user-accounts-panel.desktop');